Your vehicle will benefit from using our high performance synthetic oil and friction modifier combination kit. You get three quarts of 75W-90 high performance gear oil and one 4oz bottle of friction modifier. Purchase with ring and pinion or bearing kit and receive a 10% discount.

Other differential information that may assist you can be found below:

GM 7.5" Rear End Parts & Accessories

GM 8.5" 10 Bolt Rear End Parts & Accessories

GM 8.875" 12 Bolt Rear End Parts & Accessories

GM 9.5" Rear End Parts & Accessories

GM 10.5" Rear End Parts & Accessories
Ford 7.5" Rear End Parts & Accessories

Ford 8.8" Rear End Parts & Accessories

Ford 9" Rear End Parts & Accessories

Ford 10.25" Rear End Parts & Accessories
  Chrysler 7.25" Ring Gear and Pinion Sets   Chrysler 9.25" Ring Gear and Pinion Sets
  Chrysler 8.25" Ring Gear and Pinion Sets    
  Dana 28 Ring Gear and Pinion Sets   Dana 44 Ring Gear and Pinion Set
  Dana 30 Ring Gear and Pinion Sets   Dana 60 Ring Gear and Pinion Set
  Dana 35 Ring Gear and Pinion Sets   Dana 70 Ring Gear and Pinion Set
      Dana 80 Ring Gear and Pinion Set
Differential cover/cover gasket shapes a common technique to identify differential ring gear diameter.

Dana/Spicer Differential Parts how to locate bill of material number and find correct parts.
  How to Set up differential?

Instructions for setting up ring and pinion backlash.